Display screen with a graphical user interface



FIG. 1 is a front view of a first embodiment of a display screen with graphical user interface showing the new design;

FIG. 2 is a front view of a second embodiment thereof; and,

FIG. 3 is a front view of a third embodiment thereof.

The outermost broken line depicts a display screen and form no part of the claimed design. The remaining broken lines depict portions of the graphical user interface that form no part of the claimed design. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 